<template>
  <div>
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- // @ 表现形式：1.先从首页进行了搜索框的搜索 -->
            <!-- // @ 表现形式：2.在搜索结果页进行三级分类的选择 -->
            <!-- // @ 表现形式：3.三级分类的内容并没有显示在面包屑上 -->
            <li class="with-x" v-if="searchParams.categoryName">
              {{ searchParams.categoryName
              }}<i @click="removeCategoryName">x</i>
            </li>
            <li class="with-x" v-if="searchParams.keyword">
              {{ searchParams.keyword }}<i @click="removeKeyword">x</i>
            </li>
            <li class="with-x" v-if="searchParams.trademark">
              {{ searchParams.trademark.split(":")[1]
              }}<i @click="removeTrademark">x</i>
            </li>

            <!-- 什么叫块级代码，react当中的块级代码和vue当中的块级代码各是什么？ -->
            <template
              v-if="searchParams.props && searchParams.props.length > 0"
            >
              <li
                class="with-x"
                v-for="(prop, index) in searchParams.props"
                :key="prop"
              >
                {{ prop.split(":")[1] }}<i @click="removeProp(index)">x</i>
              </li>
            </template>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector
          @searchByTrademark="searchByTrademark"
          @searchByAttr="searchByAttr"
        />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <!--
                  1.点击“综合”，假如是asc升序
                  2.再点击“缩合”，这时候的asc应该变成desc降序
                  3.不再点击“综合”，而是点击“价格”，这时候应该给它一个默认值，比如说asc升序
                  4.反过来也是一样的，点击“价格”，假如是asc升序
                  5.再点击“价格”，这时候的asc应该变成desc降序
                  6.不再点击“价格”，而是点击“综合”，这时候应该给它一个默认值，比如说asc升序
                 -->
                <!-- 1.动态样式绑定；2.图标技术 -->
                <li :class="{ active: sortFlag === '1' }">
                  <a href="javascript:;" @click="sortGoods(1)"
                    >综合
                    <i
                      class="iconfont"
                      v-if="sortFlag === '1'"
                      :class="{
                        icondown: sortType === 'desc',
                        iconup: sortType === 'asc',
                      }"
                    ></i
                  ></a>
                </li>
                <li :class="{ active: sortFlag === '2' }" @click="sortGoods(2)">
                  <a href="javascript:;"
                    >价格
                    <i
                      class="iconfont"
                      v-if="sortFlag === '2'"
                      :class="{
                        icondown: sortType === 'desc',
                        iconup: sortType === 'asc',
                      }"
                    ></i
                  ></a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="goods in goodsList" :key="goods.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <a href="item.html" target="_blank"
                      ><img :src="goods.defaultImg"
                    /></a>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ goods.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a target="_blank" href="item.html" :title="goods.title">{{
                      goods.title
                    }}</a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <div class="fr page">
            <!--
              1.当前页码         1
              2.每页显示的数量    10
              3.数据的总条数      54
              4.总页数            6 计算而得
              5.连续页概念（一定是奇数）
             -->
            <Pagination
              :currentPageNum="searchParams.pageNo"
              :pageSize="searchParams.pageSize"
              :total="getGoodsTotal"
              :continueNum="5"
            ></Pagination>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from "./SearchSelector/SearchSelector";
import { mapGetters } from "vuex";
export default {
  name: "Search",
  data() {
    return {
      searchParams: {
        category1Id: "",
        category2Id: "",
        category3Id: "",
        keyword: "",
        order: "2:asc",
        pageNo: 1,
        pageSize: 15,
        props: [],
        trademark: "",
      },
    };
  },
  components: {
    SearchSelector,
  },
  computed: {
    ...mapGetters(["goodsList", "getGoodsTotal"]),
    sortFlag() {
      return this.searchParams.order.split(":")[0];
    },
    sortType() {
      return this.searchParams.order.split(":")[1];
    },
  },
  methods: {
    getGoodsListInfo() {
      this.$store.dispatch("getGoodsListInfo", this.searchParams);
    },
    searchByTrademark(tm) {
      this.searchParams.trademark = `${tm.tmId}:${tm.tmName}`;
      this.getGoodsListInfo();
    },
    removeCategoryName() {
      // 清空categoryName
      // ? 清空分类名称的方式有哪些？
      // this.searchParams.categoryName = "";
      // this.searchParams.category1Id = null;
      // this.searchParams.category2Id = undefined;
      // delete this.searchParams.categoryName; // 没有进行响应式处理

      // ? 如何才能对对象进行修改或者删除操作，并且实现响应式处理

      // this.$set
      this.$delete(this.searchParams, "categoryName");

      let location = { name: "Search", params: this.$route.params };

      // 路由跳转就行
      this.$router.push(location);
    },
    removeKeyword() {
      delete this.searchParams.keyword;

      // 隐式原型链
      this.$bus.$emit("clearKeyword", true);

      let location = { name: "Search", query: this.$route.query };
      this.$router.push(location);
    },
    removeTrademark() {
      this.searchParams.trademark = undefined;
      this.getGoodsListInfo();
    },
    searchByAttr(attr, attrValue) {
      let prop = `${attr.attrId}:${attrValue}:${attr.attrName}`;
      // 已经向数组中进行push属性操作，那么这个属性只要有一个就可以了，不需要重复添加

      // 数组常见操作函数
      // push pop shift unshift splice sort reverse indexOf lastIndexOf includes find findIndex filter map reduce

      // some，只有一个就可以判断，对比every
      let isRepeat = this.searchParams.props.some((item) => item === prop);
      if (isRepeat) return;

      this.searchParams.props.push(prop);
      this.getGoodsListInfo();
    },
    // 删除属性
    removeProp(index) {
      this.searchParams.props.splice(index, 1); // 如何实现vue数组的响应式修改
      this.getGoodsListInfo();
    },
    sortGoods(sortFlag) {
      // 字符转数字有哪些方式？隐式转换与显式转换
      // 获取原来排序的类型与方式
      let originSortFlag = +sortFlag;
      let originSortType = this.sortType;
      // 1.点击“综合”，假如是asc升序
      // 2.再点击“缩合”，这时候的asc应该变成desc降序
      // 3.不再点击“综合”，而是点击“价格”，这时候应该给它一个默认值，比如说asc升序
      // 4.反过来也是一样的，点击“价格”，假如是asc升序
      // 5.再点击“价格”，这时候的asc应该变成desc降序
      // 6.不再点击“价格”，而是点击“综合”，这时候应该给它一个默认值，比如说asc升序

      let newOrder = "";
      // 判断点击的内容是否与原来是一样的
      if (sortFlag === originSortFlag) {
        newOrder = `${originSortFlag}:${
          originSortType === "desc" ? "asc" : "desc"
        }`;
      } else {
        // 如果现在点的和原来不一样，那么我们只要给一个初始值
        newOrder = `${sortFlag}:asc`;
      }

      this.searchParams.order = newOrder;
      this.getGoodsListInfo();
    },
  },
  watch: {
    $route: {
      handler() {
        let { categoryName, category1Id, category2Id, category3Id } =
          this.$route.query;
        let { keyword } = this.$route.params;
        // 确认searchParams的参数
        let searchParams = {
          ...this.searchParams,
          categoryName,
          category1Id,
          category2Id,
          category3Id,
          keyword,
        };
        this.searchParams = searchParams;
        this.getGoodsListInfo();
      },
      immediate: true,
    },
  },
  // created() {
  //   let { categoryName, category1Id, category2Id, category3Id } =
  //     this.$route.query;
  //   let { keyword } = this.$route.params;
  //   // 确认searchParams的参数
  //   let searchParams = {
  //     ...this.searchParams,
  //     categoryName,
  //     category1Id,
  //     category2Id,
  //     category3Id,
  //     keyword,
  //   };
  //   this.searchParams = searchParams;
  //   this.getGoodsListInfo();
  // },
  mounted() {
    this.getGoodsListInfo();
  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>
